WebContact us for information like 4-methyl-DBT chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight,Dibenzothiophene,4 … WebJul 25, 2004 · The synthesized C-HY composites proved to be effective supports for NiMo catalysts in the hydrodesulfurization (HDS) of dibenzothiophene (DBT) and 4,6 …

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WebFeb 28, 2024 · The adsorption studies revealed that Fe 3 O 4 @mSiO 2 @DT-MIP followed pseudo-second-order kinetics in the case of DBT and 4-MDBT, with an adsorption amount of 104.2 mg g −1 for DBT, whereas it ... WebOct 5, 2001 · Apparent activation energies of dibenzothiophene, 4-methyldibenzothiophene, and 4,6-dimethyldibenzothiophene oxidation were 53.8, 56.0, and 58.7 kJ/mol, respectively. These activation energies indicated a decrease in reactivity of dibenzothiophenes as methyl substitutes increased at the 4 and 6 positions on … chuck phillips la times

Selective and simultaneous removal of dibenzothiophene and 4 ...

WebOct 20, 2003 · The peaks of DBT, 4-methyl dibenzothiophene (4-MDBT) and 4,6-DMDBT were identified by the retention times compared to those of relevant pure compounds and the peaks of corresponding sulfones were identified by GC–MS(QP5050). The result shows that the main sulfur compounds remaining in kerosene were DBT, 4-MDBT and 4,6 … WebAug 1, 1997 · The transformation mechanism of dibenzothiophene,4-methyl-dibenzothiophene, 4,6-dimethyldibenzothiophene, and 2,8-di-methyldibenzothiophene has been studied in a batch reactor overan industrial NiMo/Al 2 O 3 hydrotreating catalystat 573 K under 5 MPa of hydrogen pressure. A detailed mechanisticstudy including competitive … WebApr 1, 1997 · Relative concentrations of alkylated dibenzothiophene homologues of methyl-, dimethyl- and trimethyldibenzothiophenes measured by GC/MS appeared to be sensitive to maturity. Several new maturity parameters have been proposed based on the assumption that alkyl-DBT isomers with the methyl substituent in the 4-position are the … desks that are cheap